[INFO] fetching crate blocking 0.5.2...
[INFO] checking blocking-0.5.2 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate blocking 0.5.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate blocking 0.5.2 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blocking 0.5.2
[INFO] finished tweaking crates.io crate blocking 0.5.2
[INFO] tweaked toml for crates.io crate blocking 0.5.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate blocking 0.5.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64a683fd3b8d8446a0f53c9c7447cb1b67f9254989df353276de399d3b67df09
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "64a683fd3b8d8446a0f53c9c7447cb1b67f9254989df353276de399d3b67df09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64a683fd3b8d8446a0f53c9c7447cb1b67f9254989df353276de399d3b67df09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64a683fd3b8d8446a0f53c9c7447cb1b67f9254989df353276de399d3b67df09", kill_on_drop: false }`
[INFO] [stdout] 64a683fd3b8d8446a0f53c9c7447cb1b67f9254989df353276de399d3b67df09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5724e1150166e7ccd22a1b61e97c261ee28378dd3e20e5635449f9f708d6733
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a5724e1150166e7ccd22a1b61e97c261ee28378dd3e20e5635449f9f708d6733", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking parking v1.0.5
[INFO] [stderr]     Checking event-listener v2.2.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking fastrand v1.3.3
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking concurrent-queue v1.1.1
[INFO] [stderr]     Checking async-channel v1.1.1
[INFO] [stderr]     Checking futures-lite v0.1.7
[INFO] [stderr]     Checking blocking v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.90s
[INFO] running `Command { std: "docker" "inspect" "a5724e1150166e7ccd22a1b61e97c261ee28378dd3e20e5635449f9f708d6733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5724e1150166e7ccd22a1b61e97c261ee28378dd3e20e5635449f9f708d6733", kill_on_drop: false }`
[INFO] [stdout] a5724e1150166e7ccd22a1b61e97c261ee28378dd3e20e5635449f9f708d6733
